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设雨滴从很高处竖直下落所受空气阻力f和其速度v成正比．则雨滴的运动情况是a先加速后减速最后静止b先加速后匀速c先加速后减速直至匀速d Template






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sketch 5189
sketch 3659 Portrait by Mari Falcsik
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sketch 5102 Old Man by Cuong Pham
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sketch 3321 Baby Mirella Flowers
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sketch 3444 PSY by Melodee Ripepi
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sketch 3510 Edward from FMA by Raman Chauhan
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tomski设雨滴从很高处竖直下落所受空气阻力f和其速度v成正比．则雨滴的运动情况是a先加速后减速最后静止b先加速后匀速c先加速后减速直至匀速d coloring
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设雨滴从很高处竖直下落所受空气阻力f和其速度v成正比．则雨滴的运动情况是A先加速后减速最后静止B先加速后匀速C先加速后减速直至匀速D sketch template
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题目如图所示一滴雨滴从离地面H=10m高的屋檐自由下落下落途中 T =02s的时间内通过一个窗口窗口的高度为h =2m不计空气 sketch template
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题目已知雨滴在空中竖直下落时所受空气阻力与速度大小的二次方成正比且不同质量的雨滴所受空气阻力与速度大小的二次方的比值相同．现有两滴质量 sketch template
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设雨滴从很高处竖直下落所受空气阻力f和其速度v成正比．则雨滴的运动情况是A先加速后减速最后静止B先加速后匀速C先加速后减速直至匀速D sketch template
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